export(dlsem, lagShapes, causalEff, compareModels, lagPlot, auto.lagPlot, autoCode, residualPlot, isIndep, unirootTest, drawSample, lmHAC, ecq, ld, qd, gam, as.graphNEL)

S3method(print, dlsem)
S3method(summary, dlsem)
S3method(plot, dlsem)
S3method(nobs, dlsem)
S3method(coef, dlsem)
S3method(vcov, dlsem)
S3method(confint, dlsem)
S3method(logLik, dlsem)
S3method(fitted, dlsem)
S3method(residuals, dlsem)
S3method(predict, dlsem)
S3method(print, summary.dlsem)
S3method(print, unirootTest)
S3method(vcov, hac)
S3method(summary, hac)
S3method(confint, hac)

import(graph, Rgraphviz)
importFrom("grDevices", "dev.off", "pdf", "n2mfrow")
importFrom("graphics", "abline", "axis", "box", "grid", "legend","mtext", "par", "points", "polygon")
importFrom("methods", "new")
importFrom("stats", "coefficients", "coef", "nobs", "cov", "vcov", "formula","lm", "model.matrix", "logLik",
  "AIC", "pnorm", "pt", "qnorm", "qt", "rnorm", "spline", "residuals", "fitted", "quantile", "predict", "confint",
  "sd", "var", "approx", "embed", "na.omit", "ar", "summary.lm", "acf", "extractAIC", "qqline", "qqnorm")
importFrom("utils", "flush.console")